up previous next

2.2.9 The Variable It

When CoCoA evaluates an expression, the result is usually assigned to the special CoCoA variable named It.

example

    
1+1;
2
-------------------------------
It;
2
-------------------------------
It+1;
3
-------------------------------
It;
3
-------------------------------
X := 17;  -- "It" is not changed if there is no output
It;
3
-------------------------------
X+It;
20
-------------------------------